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Rectangular Plate Nesting Planner
Plan rectangular plate blanks on a finite quantity of identical sheets with edge margins, cutting gaps, optional rotation, visual layouts, and printable coordinates.
Project and calculation settings
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Add rectangular blanks
Plan one compatible material and thickness at a time. Limits: 100 distinct marks, 300 pieces, and 50 sheets per plan. Every part uses the dimension unit selected above.
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Save and share your work
Your inputs and files stay in this browser. Nothing in these tools uploads material specifications, supplier details, or file contents. Saving on this device is explicit; export a JSON backup for work you need to retain. Shared devices and browser-data cleanup can affect saved work. Only rows added to the list are included in a backup.
Understand the layout
The planner tries larger rectangles first and places them in available rectangular spaces. It tries an optional 90-degree rotation and opens another sheet only when needed. This deterministic heuristic is useful for planning, but it does not guarantee the fewest sheets or a globally optimal layout. An unplaced piece means this attempt could not place it in the available stock, not that every possible arrangement is impossible.
Coordinates begin at the sheet's upper-left corner. The X coordinate increases to the right and Y increases downward. Dimensions and coordinates use the chosen unit. The outline is the purchased sheet; shaded rectangles are the required blanks. The outer margin remains clear. A minimum horizontal or vertical gap separates neighboring blanks, including when rotation is used.
What does the waste percentage include?
It is the used sheets' total area minus the placed rectangles' area. It includes edge margins, cutting gaps, and all unused areas; it does not classify usable remnants. Unopened available sheets are excluded. Unplaced parts are listed separately and are not counted as produced material.
Does this produce a machine cutting program?
No. It produces a visual planning layout and a coordinate table. It does not plan cutting order, lead-ins, pierces, tabs, heat effects, clamp clearances, bevels, or internal holes. The arrangement may require non-guillotine cuts. A fabrication professional must prepare and verify any machine program.
Can I mix plate thicknesses or use the sheet edge as a finished cut?
Keep different thicknesses, grades, or incompatible stock in separate plans. Enter a margin appropriate to the actual sheet edges and process. A zero margin assumes the sheet edge is usable; that assumption requires your review.
Related tools
Assembly bill of materials · Supplier quote comparison · Plate nesting · Material takeoff · Linear cutting planner